Home / 2,816.90-4,224.12-1,336.54

Finding the Fourth Proportional to 2,816.90, 4,224.12 and 1,336.54

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Solution

The fourth proportional to 2,816.90, 4,224.12 and 1,336.54 is: 2,004.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816.90 : 4,224.12 = 1,336.54 : x
  2. Step 2: Convert to fraction form
    2,816.90/4,224.12 = 1,336.54/x
  3. Step 3: Cross multiply
    2,816.90x = 4,224.12 × 1,336.54
  4. Step 4: Simplify right side
    2,816.90x = 5,645,718.75
  5. Step 5: Solve for x
    x = 5,645,718.75/2,816.90
  6. Step 6: Final answer
    x = 2,004.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.